http://bugs.freedesktop.org/show_bug.cgi?id=13216
[EMAIL PROTECTED] changed:
What |Removed |Added
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CC| |[EMAIL PROTECTED]
AssignedTo|dri- |[EMAIL PROTECTED]
|[EMAIL PROTECTED] |
Status|NEW |ASSIGNED
------- Comment #1 from [EMAIL PROTECTED] 2007-11-14 06:27 PST -------
Actually, the functions called are a set of cache- and tlb flushing functions.
These differ from architecture to architecture and the problem is really that
sometimes the implementation of these functions end up in the AGP module rather
in the core kernel itself. This is the case for X86.
This currently means we will have to make a separate copy for TTM in the case
CONFIG_AGP is not set, which is a bit ugly.
For powerpc it should be sufficient to unconditionally include the asm/agp.h
file. The fact that these functions are very simple and in some cases are
defined away on that architecture reflects that these processors probably can
deal with physical aliasing with different caching attributes, or that it's
very difficult to implement caching attribute changes in the kernel map.
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